Kenwood NXR-800 Service Manual page 115

NXR-800
INTERCONNECTION DIAGRAM
TX UNIT
X56-312 C/3
SR_DATA
RX UNIT
CN701 CN36
X55-310
1 1
2 2
FINAL UNIT
3 1
X45-382 D/5
4 2
E2PRoM_SDA
CN6
E2PRoM_SCL
AD_DAT_WRiTE
NC(iF_NW_SW)
REF1 (19.2MHz) CN45
AD_DAT_READ
PLL_LoCK_DET
CN43 NC(AGC_RSSi)
RX_IF_VN
CN41
PLL_PWR_SAVE
MONITOR_PORT
RX ANT
CN5
VCo_BAND_SW
CN44
3 RX_PoWER_SAVE
B
B
1
E
108
CN923
CN960 CN920 VOLUME_IN
1 1
DC8
DC8 33MPU
GND GND
GND
50MPU
50MPU TX UNIT 33AUD
STB X56-312 B/3
STB SB
SR_oE
SR_oE
SCM_EN
SR_CLK SR_CLK
GND
SR_DATA
PTT_TXD_SCM
LED 1 LED 1
HOOK_RXD_SCM
GND
GND
MiG
10 10
LED 10 LED 10
MIC
CN42 36 1 CN57
GND GND
GND GND
WP
WP
D_GND D_GND
E2PRoM_SDA
CoNT_5.0V CoNT_5.0V
E2PRoM_SCL
D_GND D_GND
AD_CS AD_CS
iF_BW_SW iF_BW_SW
AD_DAT_WRiTE
NC(iF_NW_SW)
AD_CLK AD_CLK
GND GND
AD_DAT_READ
NC NC
CoNT_5.0V CoNT_5.0V
PLL_LoCK_DET
NC(AGC_RSSi)
PLL2_EN PLL2_EN
FM_RSSi FM_RSSi
NC NC
GND GND
PLL_PWR_SAVE
RX_AUDio RX_AUDio
SiF_DAT SiF_DAT
GND GND
SiF_CLK SiF_CLK
DA_EN DA_EN
PLL1_EN PLL1_EN
VCo_BAND_SW
DDS_EN DDS_EN
RX_PoWER_SAVE
NC NC
GND GND
GND GND
1 36
CN4
4
SB
SB
1
E
RX_IF_VN
9 6
5 1
PC CONTROL
TEST/SPKR (PANEL ViEW)
FINAL UNIT
CONTROL I/O (PANEL VIEW)
X45-382 E/5
SPG SPI SPO AO5
12
3 6 9 15
CN905 13
GND 25
11 1 SB RSI AO2 AO4
VOLUME_IN
2 5 8
14
11
33MPU GND
SB RD AO1 AO3
1 4
7
10 13
GND J901
1 NC
33AUD
SB
SB GND
PTT_TXD_SCM
SCM_EN MiG
MIC
GND
HOOK_RXD_SCM
INT SP
8 SCM_EN
PTT_TXD_SCM
HooK_RXD_SCM
MiG
1 11
MIC
CONTROL UNIT1
X53-413
CONTROL UNIT2
X53-414
CN27 CN23 CN25
FINAL UNIT
X45-382 C/5 FINAL UNIT +
DC
X45-382 B/5 –
CN28
CN30 CN29 CN24
CN26
E B
1
14
OPTION (OCXO)
KXK-3
CN56 CN804
1 36
GND GND
GND GND
CN806
PAG PAG
GND GND GND
CoNT_5.0V CoNT_5.0V GND
D_GND D_GND
NC(FAN_CURR2)
CoNT_5.0V CoNT_5.0V
GND
D_GND D_GND
SDA SDA
PA_CURR
D_GND D_GND
GND
SCK SCK
TEMP_PRT TEMP_PRT FAN_CURR
ANT_SW ANT_SW GND
DDS_EN DDS_EN
FWD_PWR
VR_EN VR_EN
440_EN 440_EN GND
132_EN 132_EN
RFL_PWR
440_CE 440_CE
GND
132_CE 132_CE
PWR_PRT
LDT LDT
2DA_EN 2DA_EN
GND
3DA_EN 3DA_EN
PWR_CONT
2DA_CE 2DA_CE
SR_oE SR_oE GND
8AD_EN 8AD_EN FAN_CONT
SR_EN SR_EN
GND
SDi1 SDi1
FAN_CONT2
SDo0 SDo0
SCLK1 SCLK1
GND
SCLK0 SCLK0
TEMP_RST
SDo1 SDo1
GND GND GND
MoD MoD ANT_SW
WP WP
GND
GND GND
TEMP_PRT
GND GND
36 1
D_GND
CONT_5.0V
D_GND
SCK
D_GND
SDA
D_GND
TX UNIT GND
X56-312 A/3 WP
GND
GND
CN802
CN400 CN805
1
36
GND GND
GND GND
REF_SW2 REF_SW2
WP
WP
REF_SW REF_SW
oX_SCL oX_SCL
EXT_EXiST EXT_EXiST
oX_SDA oX_SDA
REF_EXiST
REF_EXiST
iMP_H_L iMP_H_L
REF_iN_oUT REF_iN_oUT
GND GND
CN801
oX_SDi2 oX_SDi2
E
GND
GND
oCXo_VR_EN oCXo_VR_EN B
GND GND
B
oCXo_oN oCXo_oN
GND GND
oCXo_CURR
oCXo_CURR
GND GND
CN408
oCXo_EXiST oCXo_EXiST
GND GND
VCXo_DA_EN VCXo_DA_EN
GND CN403
GND
REF_LDT REF_LDT
GND GND
PLL_19_EN PLL_19_EN
GND GND
PLL_19_CE
PLL_19_CE
GND GND
oX_SDo2 oX_SDo2
GND GND
oX_SCLK2 oX_SCLK2
33MPU
33MPU
GND GND
GND GND
36 1
REF2(19.2MHz)
REF1 (19.2MHz)
FINAL UNIT
X45-382 A/5
CN20
36 1
GND
GND
NC(FAN_CURR2)
CN22
GND TX ANT
PA_CURR
CN19
GND
MONITOR PORT
FAN_CURR
GND
FWD_PWR
GND
CN8
RFL_PWR
2 M
GND FAN 1
1
PWR_PRT
GND
PWR_CONT
GND
FAN_CONT
GND
FAN_CONT2
GND
TEMP_RST
GND
ANT_SW
GND
TEMP_PRT
D_GND
CONT_5.0V
D_GND
SCK
D_GND
SDA
D_GND
CN21
GND
E
WP
B
GND CN2
GND
1 36
TX SIGNAL CN1
1
3
REF_IN(10MHz)
REF_OUT(10MHz)